The small and large intestine
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Which structures are contained within the mesentery of the small intestine?
Answer: Superior mesenteric vessels, lymphatics, and autonomic nerve fibers.
From where does the small intestine derive its blood supply?
Answer: The small intestine mainly derives its blood supply from the Superior Mesenteric Artery (SMA). The ileocolic artery supplies the distal ileum.
Where does the lymph from the small intestine drain?
Answer: The lymph drains into the Superior mesenteric nodes.
Where is the site of absorption for vitamin B12 and bile salts?
Answer: The terminal ileum is the site of absorption for vitamin B12 and bile salts.
Which parts of the colon are retroperitoneal?
Answer: The ascending colon, descending colon, splenic flexure, hepatic flexure, and rectum are retroperitoneal.
Which characteristics of the large bowel help to differentiate it from the small bowel?
Answer: The presence of:
Teniae coli
Haustra
Epiploic appendagesAt which section of the bowel does the teniae coli converge?
Answer: The appendix.
